* {
	font-family:Tahoma,Arial,Roboto,"Droid Sans","Helvetica Neue","Droid Sans Fallback","Heiti SC","Hiragino Sans GB",Simsun,sans-self;
}
nav {
	margin-top:40px;
}
.xhc-word {
	width:60%;
	margin : auto; 
	>h1 {
	    font-size:65px;
	    font-weight:bold;
	}
}
section {
	margin-top:100px;
}
.gonggao {
	height : 280px;
	width : 40%;
	margin:auto;
	position:relative;
	border-radius:25px;
	-moz-border-radius:25px; /* Old Firefox */
	top:300px;
	text-align: center;
	background : #878787;
	>li { 		
				width:100%;
				line-height:33px;
				text-align:center;
				list-style-type: none;
				margin-left:-20px;
				padding-bottom:10px;
				font-size : 40px;
				color : #fff;
				border-bottom: solid 1px #fff;
	        }
}